11 results
Classic Digoxin-Associated Arrhythmias
 • Atrial fibrillation with an unusually slow ventricular response
 • Atrial Fibrillation with
with Complete Heart ... Block and Accelerated ... Tachycardia with 2:1 AV ... Block • Bidirectional ... #cardiology #ecg
Almost any type of cardiac arrhythmia is seen in digitalis toxic­ity. However, type II second-degree atrioventricular
type of cardiac arrhythmia ... The arrhythmias ... Complete heart block ... #Diagnosis #Cardiology ... #EKG #ECG #Digoxin
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
- Decreases AV ... fibrillation and ... atrial flutter ... rate control) - Heart ... #Cardiology #Digitalis
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
As the heart ... • As the heart ... the presence of AV ... Wandering Atrial ... #ekg #ecg #electrocardiogram
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
As the heart ... • As the heart ... the presence of AV ... Wandering Atrial ... #ekg #ecg #electrocardiogram
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
" • Complete Heart ... independently of the atria ... #Blocks #heart ... #heartblock #cardiology ... #ecg #ekg #diagnosis
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
Cardiomyopathy • Inherited arrhythmia ... Hypokalemia • Bundle ... Substances • Digoxin ... capture of the atria ... • Atrial fibrillation
Atrial Fibrillation (A-Fib) Summary

Symptoms:
• Palpitations, light-headedness, dizziness, dyspnea, exercise intolerance, chest pain, near-syncope, syncope.

Why?
Cardiac:
	• Valvular heart
: • Valvular heart ... Common Sustained Arrhythmia ... wide-complex tachycardia: bundle ... thrombus • Digoxin ... diagnosis #management #cardiology
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
• Congenital heart ... Libman Sacks) • Atrial ... Paradoxical emboli via ASD ... ↑ ESR, CRP • EKG ... diagnosis #management #cardiology
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
Endocarditis - Overview ... Libman Sacks) • Atrial ... Paradoxical emboli via ASD ... ↑ ESR, CRP • EKG ... Differential #Diagnosis #cardiology